Update: Dean doubled down on his assertions in an interview with MSNBC on Tuesday, despite absolutely no evidence to prove his point. An updated post follows.
But from the moment Trump took the stage for the first presidential debate, viewers couldn't help but notice something: He was sniffly. In fact, The Post's Gillian Brockell counted Trump sniffed at least 36 -- wait, 37 -- times during the 90-minute debate. (He also interrupted Clinton 28 times, but that's another story.)
So what's going on? Twitter, of course, had its theories -- among the most colorful was the drug use (when snorted, cocaine can cause nasal drip. Gross, I know).
Dean was among the most prominent to share that (again, totally unsubstantiated) theory. He doubled down on it in an interview Tuesday on MSNBC: "Look, do I think at 70 years old he has a cocaine habit? Probably not, but you know, it's something I think it'd be interesting to ask him and see if he has a problem with that."
Howard Dean to @tvkatesnow on Trump's sniffles: "he sniffs during the presentation, which is something that [cocaine] users do" #2016debates pic.twitter.com/otN8lXO7Yh
— Shirley Zilberstein (@SZilberstein) September 27, 2016
Here's some other theories about why Trump was sniffling so much:
The most obvious was that maybe he was under the weather.
Donald Trump...has a cold?
— Rebecca Buck (@RebeccaBuck) September 27, 2016
Or that he was having trouble breathing.
I think #Trump has a cold or is about to pass out. Trouble breathing bruh?
— Hina Surani (Hee-na) (@hinasurani) September 27, 2016
Or that he has some other kind of sinus problem (Hillary Clinton's recent doctor's letter says she's suffered from sinus problems, too!).
Donald Trump sure sounds like he has a cold. Or he's having some other sort of sinus problem.
— erica orden (@eorden) September 27, 2016
Or, since we've covered all the other medical problems that could cause one to sniffle, why not allergies?
i think #Trump has a cold or allergies. he keep sniffling. #debatenight #debates2016 #CNN
— Don Lemon (@donlemon) September 27, 2016
But The Fix's own editor, Rebecca Sinderbrand, has another idea: Sniffling is a tic Trump does when he's on stage. We at The Fix watch a lot of Trump rallies, and Sinderbrand has noticed that Trump often sniffs into the microphone at events:
For those asking: sure, Trump could have allergies. But the sniffing is also a thing he does sometimes during big speeches...
— Rebecca Sinderbrand (@sinderbrand) September 27, 2016
For what it's worth, it's a tic which becomes especially noticeable when he's reading off a teleprompter or during high-profile events. And Trump has never before participated in an event quite as high-profile as tonight's.